High energy single pulse laser calorimeter

Details High energy single pulse laser calorimeter High energy single pulse laser calorimeter

1981-07-27

1984-03-13

Goldstein, Herbert

Thermal measuring and testing

Calorimetry

Total radiant energy or power measurement

G01J 524, G01K 1700

Patent

active

044364377

ABSTRACT:
A single pulse laser calorimeter apparatus utilizing the high laser output pulse to measure the energy output of the laser. The output energy of the laser is absorbed in a NG-1 type glass panel and is transformed into heat. The heat is transferred to an aluminum back plate which is epoxied to the glass and is detected by a series of forward biased p-n junction diodes that are epoxied to the aluminum plate. The voltage drop across the diodes is monitored with a high impedance measuring device such as a strip chart recorder or A/D converter.

REFERENCES:
patent: 2921972 (1960-01-01), Kreisler et al.
Gunn, "Volume-Absorbing Calorimeters for High-Power in Laser Pulses", Rev.-Sci. Ins., vol. 45, No. 7, 7/74, pp. 936-943.
Boulanger et al., "An Absolute Calorimeter for High Power Co.sub.2 Laser" in Journal of Physics E: Sci. Inst., 1973, vol. 6, pp. 559, 560.

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